//  Copyright 2024 International Digital Economy Academy
// 
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
// 
//      http://www.apache.org/licenses/LICENSE-2.0
// 
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.

pub fn is_palindrome(chars : String) -> Bool {
  let n = chars.length()
  let mut i = 0
  while i < n / 2 {
    if chars[i] != chars[n - i - 1] {
      return false
    }
    i = i + 1
  }
  return true
}
